63 lines
2.2 KiB
VimL
63 lines
2.2 KiB
VimL
" LatexBox_GetMainFileName: gets the name of the main file being compiled. {{{
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" Description: returns the full path name of the main file.
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" This function checks for the existence of a .latexmain file
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" which might point to the location of a "main" latex file.
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" If .latexmain exists, then return the full path name of the
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" file being pointed to by it.
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"
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" Otherwise, return the full path name of the current buffer.
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"
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" You can supply an optional "modifier" argument to the
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" function, which will optionally modify the file name before
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" returning.
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" NOTE: From version 1.6 onwards, this function always trims
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" away the .latexmain part of the file name before applying the
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" modifier argument.
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" NOTE: This function is copied from the Latex-Suite project!
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function! LatexBox_GetMainFileName(...)
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if a:0 > 0
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let modifier = a:1
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else
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let modifier = ':p'
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endif
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let s:origdir = fnameescape(getcwd())
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let dirmodifier = '%:p:h'
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let dirLast = fnameescape(expand(dirmodifier))
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exe 'cd '.dirLast
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" move up the directory tree until we find a .latexmain file.
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" TODO: Should we be doing this recursion by default, or should there be a
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" setting?
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while glob('*.latexmain',1) == ''
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let dirmodifier = dirmodifier.':h'
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let dirNew = fnameescape(expand(dirmodifier))
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" break from the loop if we cannot go up any further.
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if dirNew == dirLast
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break
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endif
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let dirLast = dirNew
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exe 'cd '.dirLast
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endwhile
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let lheadfile = glob('*.latexmain',1)
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if lheadfile != ''
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" Remove the trailing .latexmain part of the filename... We never want
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" that.
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let lheadfile = fnamemodify(substitute(lheadfile, '\.latexmain$', '', ''), modifier)
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else
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" If we cannot find any main file, just modify the filename of the
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" current buffer.
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let lheadfile = expand('%'.modifier)
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endif
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exe 'cd '.s:origdir
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" NOTE: The caller of this function needs to escape the file name with
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" fnameescape() . The reason its not done here is that escaping is not
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" safe if this file is to be used as part of an external command on
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" certain platforms.
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return lheadfile
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endfunction
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